* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  .container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
  }
  
  .form-box {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  }
  
  .form-box h2 {
    margin-bottom: 10px;
    font-size: 24px;
    color: #333;
  }
  
  .form-box p {
    margin-bottom: 20px;
    color: #555;
  }
  
  .input-group {
    margin-bottom: 20px;
  }
  
  .input-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
  }
  
  .input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
  }
  
  button {
    width: 100%;
    background: #007bff;
    color: #fff;
    border: none;
    padding: 12px;
    font-size: 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
  }
  
  button:hover {
    background: #0056b3;
  }
  
  #message {
    margin-top: 15px;
    color: green;
    font-size: 14px;
    text-align: center;
  }
  
  .back-link {
    display: block;
    margin-top: 20px;
    text-align: center;
    color: #007bff;
    text-decoration: none;
    font-size: 14px;
  }
  
  .back-link:hover {
    text-decoration: underline;
  }